Monitor apparatus



FIG. 1 is a top, front, right perspective view of the claimed design;

FIG. 2 is a front elevation view thereof;

FIG. 3 is a rear elevation view thereof;

FIG. 4 is a left elevation view thereof;

FIG. 5 is a right elevation view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom plan view thereof.

The broken lines show portions of the monitor apparatus that form nopart of the claimed design.

CLAIM I claim the ornamental design for a monitor apparatus, as shownand described.